Tunstall, Graydon A. (30 April 2015). Daniel, Ute; Gatrell, Peter; Janz, Oliver; Jones, Heather; Keene, Jennifer; Kramer, Alan; Nasson, Bill (eds.). "The Military Collapse of the Central Powers". 1914–1918-online. International Encyclopedia of the First World War. Freie Universität Berlin. Retrieved 21 February 2024.
Jones, Mark (19 May 2016). Daniel, Ute; Gatrell, Peter; Janz, Oliver; Jones, Heather; Keene, Jennifer; Kramer, Alan; Nasson, Bill (eds.). "Kiel Mutiny". 1914–1918-online. International Encyclopedia of the First World War. Freie Universität Berlin. Retrieved 21 February 2024.
Conze, Werner (1972). "Hindenburg, Paul von". Neue Deutsche Biographie 9 (in German). Retrieved 15 December 2021.
Hiller von Gaertringen, Friedrich Freiherr (1966). "Groener, Wilhelm". Neue Deutsche Biographie 7 (in German). pp. 111-114 [Online-Version]. Retrieved 3 November 2024.
Franz, Menges (1990). "Meißner, Otto". Neue Deutsche Biographie 16 (in German). pp. 702–703 [Online-Version].
dhm.de
Scriba, Arnulf (15 August 2015). "Ebert-Groener-Pakt". Deutsches Historisches Museum (in German). Retrieved 3 November 2024.
Van der Kloot, W. (2003). "Ernest Starling's analysis of the energy balance of the German people during the blockade, 1914–1919". Notes Rec. R. Soc. Lond. 57 (2): 185–193. doi:10.1098/rsnr.2003.0205. PMID12848187.
Menge, Anna (July 2008). "The Iron Hindenburg: A Popular Icon of Weimar Germany". German History. 26 (3): 357–358. doi:10.1093/gerhis/ghn025 – via Oxford Academic.
Menge, Anna (July 2008). "The Iron Hindenburg: A Popular Icon of Weimar Germany". German History. 26 (3): 358–359. doi:10.1093/gerhis/ghn025.
Morsey, Rudolf (9 March 2004). "Heinrich Brüning". Westfälische Geschichte (in German). Retrieved 24 November 2024.
nih.gov
pubmed.ncbi.nlm.nih.gov
Van der Kloot, W. (2003). "Ernest Starling's analysis of the energy balance of the German people during the blockade, 1914–1919". Notes Rec. R. Soc. Lond. 57 (2): 185–193. doi:10.1098/rsnr.2003.0205. PMID12848187.
onb.ac.at
alex.onb.ac.at
"Ritter-Orden", Hof- und Staatshandbuch der Österreichisch-Ungarischen Monarchie, 1918, p. 56, retrieved 2 November 2019